Monique A. Delisser, MD

Medicare activity in 2024

Official CMS public-use data for Monique A. Delisser, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)313 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)260 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)190 services
4. Influenza vaccine split virus, preservative free (90662)64 services
5. Administration of influenza virus vaccine (G0008)63 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High cholesterol75%
• High blood pressure65%
• Arthritis39%
• Osteoporosis27%
• Atrial fibrillation21%
• Chronic kidney disease20%

Hospitals where Monique A. Delisser works

Medicare's Facility Affiliation Data lists Monique A. Delisser at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• John Muir Medical Center - Concord CampusConcord, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050496
• John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050180

Practice locations

Addresses where Monique A. Delisser is enrolled with Medicare (CMS data updated October 2, 2026).

• 1450 Treat Blvd, Suite 120aWalnut Creek, CA 94597 (925) 296‑9720

Group practices

Medicare enrollment lists Monique A. Delisser as a member of this group (CMS data updated October 2, 2026).

• John Muir Physician Network494 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Walnut Creek

Clinicians with the same Medicare primary specialty in Walnut Creek, CA — not a recommendation.

• Jamie A. Jackson, MD
• Ross A. Pirkle, MD
• Mohsen Rofoogaran, MD
• Szilvia Molitorisz, MD
• Baldomero Deleon, MD
• Prathibha Gubbi Ravishankar, MD
• Gauri B. Sharma, DO
• Svetlana A. Kondratiouk, DO

All internal medicine doctors in Walnut Creek →

Other clinicians in John Muir Physician Network

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Paul Wheeler, MD
• Anna Khananian, MD
• Maki Matsumura, NP
• Babak Edraki, MD
• Ansoo Batsha, MD
• Gisha Kattady, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians